Across
- 3. A group of the same species living in the same area.
- 4. A group of organisms that can breed and produce fertile offspring.
- 8. The process by which individuals with better-adapted traits survive and reproduce.
- 10. The physical setup of an organism’s parts.
- 12. No longer having any living members.
- 13. A body part that is similar in different species because it was inherited.
- 15. The very long periods over which biological change occurs.
- 16. A relative from the past from whom an organism is descended.
- 17. A group of individuals born and living at about the same time.
Down
- 1. A feature that makes it easier for an organism to survive in its habitat.
- 2. To identify or distinguish a species based on specific characteristics.
- 5. A group from which two or more different species descended.
- 6. Remains or traces of an organism that lived long ago.
- 7. The process by which species change over very long periods of time.
- 9. The process by which one species splits into two or more separate species.
- 11. A more recent species that evolved from an earlier ancestor.
- 14. All of the living and nonliving things that surround an organism.